Parsed test spec with 2 sessions

starting permutation: s2_prep s2_delete s1_attach s1_vacuum s2_wake s1_check
step s2_prep: VACUUM (FREEZE) vpar;
step s2_delete: DELETE FROM vpar WHERE id % 3 = 0;
step s1_attach: SELECT injection_points_attach('lion-vacuum-page-filtered', 'wait');
injection_points_attach
-----------------------
                       
(1 row)

step s1_vacuum: VACUUM (PARALLEL 2, INDEX_CLEANUP ON) vpar; <waiting ...>
step s2_wake: 
	SELECT vpar_wait_for_worker() AS worker_ran_lion_bulkdelete;
	SELECT vpar_wake_all();

worker_ran_lion_bulkdelete
--------------------------
t                         
(1 row)

vpar_wake_all
-------------
             
(1 row)

step s1_vacuum: <... completed>
step s1_check: 
	SELECT (SELECT sum(ntids) FROM lion_index_stats('vpar_a')) AS a_ntids,
		   (SELECT sum(ntids) FROM lion_index_stats('vpar_b')) AS b_ntids,
		   (SELECT count(*) FROM vpar) AS rows,
		   (SELECT count(*) FROM vpar WHERE a = 1) AS a1_seq,
		   lion_index_count('vpar_a', 1) AS a1_index,
		   (SELECT count(*) FROM vpar WHERE b = 2) AS b2_seq,
		   lion_index_count('vpar_b', 2) AS b2_index;
	SELECT lion_index_verify('vpar_a', true);
	SELECT lion_index_verify('vpar_b', true);

a_ntids|b_ntids| rows|a1_seq|a1_index|b2_seq|b2_index
-------+-------+-----+------+--------+------+--------
  13334|  13334|13334|  3334|    3334|  2667|    2667
(1 row)

lion_index_verify
-----------------
                 
(1 row)

lion_index_verify
-----------------
                 
(1 row)